ŽAMBERK CZECH REPUBLIC ZEZ SILKO, s.r.o.

• located in central part of Czech Republic • 150 km far from Prague • 160 employees in • • • • • Production Sales and Marketing Research and Development Quality Assurance Purchasing and Accounting

• capacitor production dates back to 1934 • 1937 LV capacitor production • 1958 MV and MF capacitor production established in 1991 by transformation of ZEZ ŽAMBERK

ZEZ SILKO figures • COMPANY TURNOVER • • • • • •

ZEZ SILKO figures 12 10 8 Turnover Export

LV Power Capacitors MV Power Capacitors Power Electronics (DC link, AC filter) Induction heating capacitors LV and MV Capacitor Banks Reactors (detuned, for converters)

SIEMENS - GERMANY WOODWARD - GERMANY CERN GENEVA - SWITZERLAND ALPES - FRANCE INTERNATIONAL CAPACITORS - SPAIN INGETEAM - SPAIN TRANSTECHNIK – GERMANY EUROPOWER - GREAT BRITAIN DANIELI - ITALY ELSIS – CROATIA ŠKODA ELECTRIC - CZECH REPUBLIC KOMPEL - CZECH REPUBLIC

LV capacitors – temperature 65oC MV capacitors – 1000 kVAr DC link capacitors – temperature 85oC Induction heating 50 Hz – high power Reactors for frequency converters

ZEZ SILKO quality • ISO 9001 system since 1999 • IEC STANDARD – type test certificates • Final routine tests – 100% check • IRIS certified

ZEZSILKO products LOW VOLTAGE POWER CAPACITORS

ZEZ SILKO products LOW VOLTAGE POWER CAPACITORS FEATURES GAS filled VOLTAGE 230 – 1000 V POWER 1 – 50 kvar PROTECTION DEGREE IP20 (IP54)

ZEZ SILKO products LOW VOLTAGE POWER CAPACITORS PRODUCTION

ZEZ SILKO products LOW VOLTAGE POWER CAPACITORS PROJECTS

MEDIUM VOLTAGE POWER CAPACITORS

ZEZ SILKO products MEDIUM VOLTAGE POWER CAPACITORS FEATURES CPEFS = 3-phase, 1–15 kV, 25-1000 kvar CUEFS = 1-phase, 1–24 kV, 25-1000 kvar outdoor installation internal fuses on request discharge resistors 75 V / 10 min

ZEZSILKO products MEDIUM VOLTAGE POWER CAPACITORS

ZEZ SILKO products MEDIUM VOLTAGE POWER CAPACITORS PROJECTS (1)

ZEZ SILKO products MEDIUM VOLTAGE POWER CAPACITORS PROJECTS (2)

ZEZ SILKO products MEDIUM VOLTAGE POWER CAPACITORS PROJECTS (3)

ZEZSILKO products MEDIUM VOLTAGE POWER CAPACITORS SURGE PROTECTION (against lightning stroke) IkFULSF WAVE IkFULSE WITH MOTOR SURGE PROTECTOR

INDUCTION HEATING CAPACITORS

ZEZ SILKO products INDUCTION HEATING CAPACITORS FEATURES VOLTAGE up to 3 kV CAPACITANCE up to 700 µF POWER up to 10 000 kvar FREQUENCY 50 Hz up to 500 kHz with or without WATER COOLING • STANDARD, COAX, MIDICOAX, HCMF

ZEZ SILKO products INDUCTION HEATING CAPACITORS PRODUCTION

ZEZ SILKO products INDUCTION HEATING CAPACITORS PROJECTS

ZEZ SILKO products POWER ELECTRONICS CAPACITORS

ZEZ SILKO products POWER ELECTRONICS CAPACITORS TYPES DC link CAPACITORS AC filtering CAPACITORS SNUBBER CAPACITORS – IGBT SNUBBER CAPACITORS – GTO COMMUTATING CAPACITORS

ZEZ SILKO products DC link, AC filtering CAPACITORS

ZEZSILKO products SNUBBER CAPACITORS IGBT, GTO

ZEZ SILKO products LV DETUNED REACTORS RANGES DETUNED REACTORS • VOLTAGE 400 – 690 V • POWER 1 – 100 kvar • FREQUENCY 134, 189, 225 Hz

ZEZ SILKO products LV REACTORS for FREQUENCY CONVERTERS RANGES INPUT REACTORS OUTPUT REACTORS • VOLTAGE 400 V • CURRENT 6 – 630 A

ZEZSILKO products

ZEZ SILKO products LV DETUNED REACTORS PROJECTS